Investigations of the Emission Properties of Single CdS-Nanocrystallites

Jakob Tittel; Wolfgang Gohde; Felix Koberling

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Investigations of the Emission Properties of Single CdS-Nanocrystallites

机译：CdS-纳米单晶的发射特性研究

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Semiconductor nanocrystallites (NCs) with a radius in the range of the bulk exciton radius exhibit a strong quan- tum size effect. We investigated CdS-NCs, that were spin coated on a glass cover slip, with a low temperature confocal microscope. At low coverage we could image the fluorescence light from single NCs. The typical emis- sion spectra of single NCs show four peaks. Besides the main peak related to near bandgap recombination, up to two LO-phonon satellites and one blue shifted peak were observed.

机译：半径在体激子半径范围内的半导体纳米晶体（NC）表现出很强的量子尺寸效应。我们用低温共聚焦显微镜研究了旋涂在玻璃盖玻片上的CdS-NC。在低覆盖率下，我们可以成像单个NC发出的荧光。单个NC的典型发射光谱显示四个峰值。除了与近带隙重组相关的主峰外，还观察到多达两颗本振声子和一个蓝移峰。

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《Berichte der Bunsengesellschaft fur Physikalische Chemie》 |1997年第11期|p.1626-1630|共5页
作者
Jakob Tittel; Wolfgang Gohde; Felix Koberling;
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正文语种 eng
中图分类化学;
关键词
CdS; Colloides; Singles Particle Detection;

机译：硫化镉;胶体;单粒子检测;

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Investigations of the Emission Properties of Single CdS-Nanocrystallites

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